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公开(公告)号：US20200048032A1
公开(公告)日：2020-02-13
申请号：US16536892
申请日：2019-08-09
Applicant: Otis Elevator Company
Inventor： Andres Monzon , Fernando Del Rio
Abstract: An elevator system (2) comprises a hoistway (4) extending between a plurality of landings (8a, 8b, 8c); an elevator car (60) configured for moving along the hoistway (4) between the plurality of landings (8a, 8b, 8c); a load/weight sensor (44) configured for detecting the load of the elevator car (60); a speed detector (34) configured for detecting the speed of the elevator car (60); and an elevator safety system. The elevator safety system comprises a safety gear (20) configured for stopping, upon activation, any movement of the elevator car (60); and an electronic safety controller (30) configured for activating the safety gear (20) when the detected speed of the elevator car (60) exceeds a set speed limit. The electronic safety controller (30) is configured for setting the speed limit as a function of the load detected by the load/weight sensor (44).
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公开(公告)号：US11286132B2
公开(公告)日：2022-03-29
申请号：US16536892
申请日：2019-08-09
Applicant: Otis Elevator Company
Inventor： Andres Monzon , Fernando Del Rio
Abstract: An elevator system (2) comprises a hoistway (4) extending between a plurality of landings (8a, 8b, 8c); an elevator car (60) configured for moving along the hoistway (4) between the plurality of landings (8a, 8b, 8c); a load/weight sensor (44) configured for detecting the load of the elevator car (60); a speed detector (34) configured for detecting the speed of the elevator car (60); and an elevator safety system. The elevator safety system comprises a safety gear (20) configured for stopping, upon activation, any movement of the elevator car (60); and an electronic safety controller (30) configured for activating the safety gear (20) when the detected speed of the elevator car (60) exceeds a set speed limit. The electronic safety controller (30) is configured for setting the speed limit as a function of the load detected by the load/weight sensor (44).
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公开(公告)号：US20190389695A1
公开(公告)日：2019-12-26
申请号：US16440351
申请日：2019-06-13
Applicant: Otis Elevator Company
Inventor： Andrés Monzon , Mario Sanz Abia , Ruben Marante-Chasco , Fernando Del Rio
Abstract: An elevator system (2) comprises a hoistway (4) extending between a plurality of landings (8a, 8b, 8c); an elevator car (60) configured for moving in two opposite directions along the hoistway (4); and an elevator safety system. The elevator safety system comprises a bidirectional safety gear (20) configured for stopping, upon activation, any movement of the elevator car (60) traveling in any of the two opposite directions; and a safety controller (30) configured for activating the bidirectional safety gear (20) when a predefined safety condition is met. The safety controller (30) is switchable between a plurality of different safety modes, each safety mode setting at least one predefined safety condition.
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